会议将在九点整开始。

The meeting will start at 9:00 ___on ___the ___dot.

请于中午十二点整准备好出发。

Please be ready to depart at noon ___on ___the ___dot.

她的闹钟每天早晨5:30整准时响起。

Her alarm goes off at 5:30 ___on ___the ___dot every morning.